Course detail

Distribution Equipment

FEKT-KRZBAcad. year: 2012/2013

Power station switchgear - scheme, construction, operating manipulation. Project switchgear conception and its current capacity calculation. Cable and overhead lines - construction, design, protection.

Language of instruction

Czech

Number of ECTS credits

6

Mode of study

Not applicable.

Guarantor

doc. Ing. Jaroslava Orságová, Ph.D.

Department

Department of Electrical Power Engineering (UEEN)

Learning outcomes of the course unit

Principles of MV and HV substation design

Prerequisites

The subject knowledge on the secondary school level is required.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Projects, written and oral parts of exam.

Course curriculum

Substations in power system, nominal voltage and a operation mode of electrical networks
Scheme of basic substation circuit - their features and use, operation manipulation in substation, apparatus blocking
HV MV LV switchgear - outdoor, gas-insulated, auxiliary control panel and control center substation - version and operating features
Cable line - construction and marking, electric features of cables, conductors designing and protection
Overhead line - mechanical features of hanging wires, overhead line parameter calculation, wires for overhead line, poles, insulators and armatures, safety zone
Electrical protection - charakteristics and principles, instrument transformers, protection of electrical devices in power system

Work placements

Not applicable.

Aims

Make students familiar with equipment and technologies used for electric power distribution as well as the basic methods of the designing of the equipment.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

ORSÁGOVÁ, J. Rozvodná zařízení. 2004. s. 106 ( s.) (CS)
VERNER, J. Elektrické stanice a vedení, VUT Brno 1989 (CS)

Recommended reading

MERTLOVÁ, J., KOCMICH M. Elektrické stanice a vedení , Západočeská univerzita 1997 (CS)

Classification of course in study plans

  • Programme EECC Bc. Bachelor's

    branch BK-SEE , 3 year of study, winter semester, compulsory

  • Programme EEKR-CZV lifelong learning

    branch EE-FLE , 1 year of study, winter semester, compulsory

Type of course unit

 

Lecture

26 hod., optionally

Teacher / Lecturer

doc. Ing. Jaroslava Orságová, Ph.D.

Syllabus

1. Introduction - substations as part of power system, nominal voltages, operation mode of distribution networks, basic electrical schemes and parameters of switchgears.
2. Switchgears bays facilities - features and applications. Operation manipulation in substation.
3. Technology version of HV and MV substation - outdoor and indoor substation, gas-insulated, hybrid.
4. Cables and overhead lines - materials, construction, classification codes
5. Cables and overhead lines accessories.
6. Conductors designing in respect to maximum operating temperature of cable core.
7. Conductors designing in respect to short circuits effects.
8. Mechanical design of overhead lines.
9. State equation - solution methods of state equation.
10. Electrical protection theory - Fundamentals terms and classifications.
11. Types of electrical protection for electrical devices in distribution system.
12. Overvoltage in distribution system and protections against overvoltage.
13. Electrical strength of switchgears and lines, insulation coordination.

Fundamentals seminar

15 hod., compulsory

Teacher / Lecturer

doc. Ing. Jaroslava Orságová, Ph.D.

Syllabus

1. Installed capacity of switchgears and group of consumers.
2. Installed transformer station.
3. Dimensioning of power cables and insulatin conductors
4. Dimensioning of flat conductors for busbars. Dimensioning of steel reinforced conductors with respect to mechanical pension.
5. Conductors protection in electric power distribution - overloading and short-circuit protection, assigning of protective elements.

Exercise in computer lab

9 hod., compulsory

Teacher / Lecturer

doc. Ing. Jaroslava Orságová, Ph.D.

Syllabus

1. Feeder terminal - manipulation in switchgear, measuring in feeder, protection setting
2. Calculation of assembly table for overhead line.
3. Computation program for design of electrical line protection.

Laboratory exercise

15 hod., compulsory

Teacher / Lecturer

doc. Ing. Jaroslava Orságová, Ph.D.

Syllabus

1. Digital overcurrent protection testing.
2. Measuring of distance protection characteristic.
3. Measuring of stabilized differential protection.
4. Measuring of comparative protection.
5. Excursion in HV and MV substation.